<!DOCTYPE html>
<html lang="en" >
<head>
<meta charset="UTF-8">
<title>数据流</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="css/style.css">
</head>
<body>
    
<canvas></canvas>
<script  src="js/script.js"></script>

</body>
</html>
